What is Inokubi Kissaki in Japanese Katana terminology?

The term "Inokubi Kissaki" (猪首切先, いくびきっさき) refers to a type of tip on a Japanese sword. The name is derived from its resemblance to the short and stubby neck of a boar (Inokubi means "boar's neck" in Japanese). Despite the wide width of the blade, the tip is notably short and compact. This design was particularly suitable for cutting through hard materials and was commonly seen during the mid-Kamakura period. However, one of the drawbacks of this design is that if the blade were to chip, it would be difficult to re-sharpen due to the short length of the tip. As a result, this design fell out of favor in later periods.

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